An object is dropped from rest. Its v-t graph is

If a projectile is thrown with 19.6m/s velocity at 30^° with x-axis, time taken to reach highest point? 

If a body starts from a point, and returns back to the same point, then its

When the average velocity of a moving body is equal to its instantaneous velocity then it is moving with 

If the initial speed of a projectile is doubled.

A newton is the force

Consider the following five graphs (note the axes carefully). Which of these represents motion at constant speed?

The displacement time graph for a moving particle is given below. The instantaneous velocity of the particle is negative at the point.

The ratio of magnitudes of average velocity to average speed of a moving body in a straight line

The “reaction” force does not cancel the “action” force because:

The slope of v-t graph for uniform velocity is

No body begin to move or comes to rest itself is statement of

When a force of 100 N acts on a body of mass 50kg then acceleration produced is

Time rate of change of position vector is called 

At maximum height in projectile motion  and  are

If H = R then angle of projection is 

A ball is thrown and follows a parabolic path, as shown above. Air friction is negligible. Point Q is the highest point on the path. Which of the following best indicates the direction of the acceleration, if any, of the ball at point Q?

A force of 10 N acts on a body for 5 sec. What will be the change in momentum?

A particle moves through half of a circle of radius 1.0m in one second. The magnitude of average velocity is 

A player throws a ball at an angle with the horizontal, the height is maximum when is equal to

Which graph represents the zero acceleration 

Imran travels 2m with speed v1 and then 2m with speed v2, his average speed is:    

If a stone is released from moving train, then the stone will follow

With the help of V–t graph we can find 

At the highest point, the velocity of projectile is

The magnitude of acceleration produced in an object is inversely proportional with

Velocity is defined as:

The magnitude of instantaneous velocity is expressed by

A ball is projected at 45o its horizontal range is 10m. Velocity of projection is

A body, whose momentum is constant, must have constant

If distance covered is zero. The displacement 

A person can throw a stone to maximum distance of 80m the greatest height to which he can throw the stone is

A force of 5N acts on a body of 5kg for 5 sec. The rate of change of momentum is 

An aeroplane moving horizontally with 50 m/s drops a packet at 490 m height. Its time of flight is

A truck weighing 2500 kg and moving with a velocity of 21 m/s collides with stationary car weighing 1000 kg. The truck and the car move together after the impact. Calculate their common velocity.

A man is in a car is moving with velocity of 36Km/hr. his speed with respect to the car is. 

Instantaneous and average velocities become equal when body.

3rd law of motion explains. 

Momentum depends upon. 

An athlete completes one round of a circular track of radius R in 40 sec. What will be his displacement at the end of 2 min. 20 sec

The ratio of the numerical values of the average velocity and average speed of a body is always

From the following displacement-time graph find out the velocity of a moving body

In doubling the mass and acceleration of the mass, the force acting on the mass with respect to the previous value

K.E of a projectile at the highest point is half of its initial K.E the angle of projection is

A bullet is dropped from the same height when another bullet is fired horizontally. They will hit the ground

The principle of conservation of linear momentum can be strictly applied during a collision between two particles provided the time of impact is

When two bodies collide elastically, then

When the speed of a moving body is doubled

A body of mass m collides against a wall with a velocity v and rebounds with the same speed. Its change of momentum is

34.2g sucrose in cup of tea have how many number of C-atoms 

6g C react with 22414 cm³ of O₂ to produce CO₂. How much non-limiting reactant is in excess 

Total number of electrons present in 44.828 dm³ of Ne gas are 

42g of N₂ react with excess of O₂ to produce NO amount of NO formed is

According to equation When 1mole of NH3 and 1 mol of O₂ react then 

According to equation How many gram of H₂O is formed from mixture of 51g of NH3 and 48g of oxygen 

Value of 1 amu is equal to 

Combustion analysis is used to determine 

How many moles of magnesium phosphate Mg₃ (PO₄) ₂ will contain 0.25 mol of oxygen atoms 

Avogadro’s number is the number of molecules present in 

Mg metal react with HCl to give hydrogen gas. What is minimum weight of HCl required to produce 6g of H₂

31g of CuCO3 on heating give 16g of CuO. What is %age yield of reaction(M. mass of CuCO3 = 124gmol^-1)

How many molecules of NH3 would be formed if 5.6dm³ of N₂ gas react with excess of H₂ according to following equation 

Which of followings contains the maximum number of atoms 

Empirical formula of a hydrocarbon having 80% C and 20% of hydrogen is 

2 mole of H₂S and 11.2 dm³ of SO₂ at STP react according to following equation What will be number of moles of Sulphur formed in the reaction 

One of the substance is used to absorb CO₂ gas in combustion analysis. Which is that substance 

Mass of 1.505×10²³ molecules of NH3 is 

In combustion analysis, %age of which element in always determined by difference method 

Mole may include _______ of the substance expressed in grams 

Stoichiometric calculations are made when 

Number of electrons in 1.7g of OH^–are 

Yield which reflects the efficiency of a reaction 

Gas molecules are about _____ far away than their diameter 

The value of ‘n’ in determining molecular formula is obtained from the relation 

16g of unknown gas has volume of 11.2dm³ at STP. Unknown gas is 

From following equation, which relationship can be studied 

Theoretical yield is always less than actual yield because 

The molar volume of SO₂ at RTP is 

The Avogadro’s constant is the number of 

The relative atomic mass of Neon is 20.18 amu. What is mass of 2 moles of Neon gas

When 1 mole of each of the following is completely burnt in oxygen. Which will give largest mass of CO₂

An atom of carbon is twelve times heavier than ____ atom

What is the ration of volume of 2g of hydrogen and 16g Methane? If both volumes are at STP

0.25 moles of phosphoric acid produces moles of H⁺ ions

18.02g of H₂O sample has 

Which of the following sample contain maximum number of atoms?

Consider the following reaction involved in manufacture of ureaCO₂ + 2NH₃ →NH₂COONH₄ 
 If 22g of CO₂ react with 34g of NH3 to form ammonium carbonate, the reaction is taken as irreversible and go to completion. Identify the limiting reagent and amount of ammonium carbamate formed

0.1 mole of Na₃PO₄ completely dissociates in water to produce Na⁺¹

A chemist is usually interested in 

Total number of electrons present in 34 g OH^–are

Maximum number of molecules will be in 

How many moles of oxygen(O₂) are required for complete combustion of two moles of propane (C₃H_)?

20.18 amu is the ___________ of Ne

Hydrogen reacts with oxygen as shown below 2H₂(g) + O₂(g) 2H₂O(l).
How much gas will remain in container if 8g of oxygen (O₂) reacts with 9g of H₂.

Empirical formula of organic compound is CH₂O and molecular mass is 60g/mol. What is molecular formula 

56g of Fe react with 24g of oxygen to produce Fe₂O₃. Which one is limiting reactant

The largest number of molecule is present in 

Mass of one carbon atom is 

Number of electrons in 1.6g of methane 

In prokaryotic cells, the cell wall is primarily made up of:

Identify the structure which is only found in animal cells:

A cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, andmitochondria. It could be a cell from:

Which of the following is true about fluid mosaic model?

A cell organelle common in protista and monera is:

Many cells function properly and divide mitotically even though they do not have:

In eukaryotic cells, nucleic acids are found in organelles other than the nucleus. Which of the following is correct?

Cell recognition and adhesion occur due to which of the following biochemicals of plasmalemma?

Which is near to plasma membrane?

The rate of diffusion of a specific substance through a plasma membrane is affected by all of the following except:

A white blood cell is capable of producing and releasing thousands of antibody molecules every second. Since antibodies are large, complex protein molecules, then how would you expect them to leave the cell?

Phagosomes and pinosomes are collectively referred to as:

Middle lamella is:

Cell wall shows:

Protoplasmic strands between adjacent plant cells are:

Which of the following is not a characteristic of the cytosol?

Enzyme that facilitates the transport through cell membrane is:

What are the sac-like structures of endoplasmic reticulum?

Which one of the following is correctly matched?

Endoplasmic reticulum of rapidly dividing cells is:

Phospholipid molecules in a membrane are arranged with their ___________ on the exterior and their __________ on the interior.

Vesicles of SER are most likely on their way to:

Dictyosomes are:

The fluidity of membranes in a plant in cold weather may be maintained by increasing:

Besides giving out secretory vesicles, Golgi apparatus is also concerned with formation of:

Lysosomes are so called as they have:

Why isn’t the mitochondrion classified as part of the endo-membrane system?

Most hydrolytic enzymes of lysosomes function at:

Which of the following correctly matches an organelle with its function?

How do membranes function as a locus of biochemical reactions?

The inner membrane of mitochondria bears folding called ‘cristae’, which :

Oxysomes occur on:

During oxidation, long chain fatty acids are first converted to acetyl CoA in the:

Mitochondria is a semi autonomous organelle because it contains:

Which of these is mismatched?

Plastids possess:

Ribosomes are composed of:

The larger subunit of eukaryotic type ribosomes sediments at:

Most of the water, in mature plant cells occurs chiefly in which of the following?

The nucleus is separated from surrounding cytoplasm by a nuclear membrane which is:

A cell lacking nucleus would also lack:

In which method of transport in plasma membrane does not require carrier molecules?

Which of the following statements are correct?1.  Mitochondria contain DNA
2.  70S ribosomes occur in prokaryote
3.  Ribosomes are not found in Protista and Monera 
4.  Ribosomes are made up of phospholipids and oligosaccharides

Most of the intermediates in electron transport system are integral components of:

A cell active in protein synthesis will be rich in:

Endoplasmic reticulum is attached with:

The nuclear lamina is an array of filaments on the inner side of the nuclear membrane. If a method were found that could cause the lamina to fall into disarray, what would you expect to be the most likely consequence?

When a lysosome fuses with phagosome, it results in the formation of:

Which of the following enzymes is characteristic of Golgi apparatus?

If nucleolus of the cell is destroyed which of these in the cell will not be formed?

Find the Error.We thought (A) you had better looked (B) her over and tell us (C) what the matter is. (D)

Find the Error.The farmer will (A) have watered (B) the plants by the time (C) it rained. (D)